SSWM and WaterChef Chosen by C. TradeUsa to Develop Joint Technology Solution for Perchlorate Treatment

Companies Look at Solution for $60B Cleanup Problem


CARLSBAD, Calif., May 19, 2004 (PRIMEZONE) -- Bruce Beattie, President of Sub Surface Waste Management of Delaware, Inc. (OTCBB:SSWM), announced today that C. TradeUsa, Inc., a water systems integrator, has selected SSWM to act as the bioremediation systems contractor along with WaterChef, Inc. (OTCBB:WTER), a water purification equipment vendor, for the development of specific, cost-effective solutions for the treatment of perchlorate in water using the PureSafe Water Station technology. Human exposure to perchlorate is associated with increased risk of cancer and disruption of thyroid hormone levels affecting fetuses, infants and children and the elderly. For more information about perchlorate, go to www.ewg.org.

Bruce Beattie, President of SSWM stated, "We are pleased to have been chosen the systems contractor by C. TradeUsa and look forward to pooling our engineering and technical talent with WaterChef to attack this serious water quality problem by developing a commercially viable and cost-effective treatment solution for water contaminated with perchlorate. We are currently working with several major firms where the PureSafe equipment and our proprietary biotechnology could be used in the near future."

The PureSafe Water Station is a self-contained, six-stage water purification system, which produces up to 15,000 gallons per day of clean, healthy water from any source. The PureSafe destroys all living pathogens and handles a broad range of organic and inorganic water contaminants, producing pure water at a very low cost per gallon. In addition to the core version of the PureSafe Water Station, WaterChef also markets versions of the PureSafe for ocean water desalination, heavy metals removal and the remediation of arsenic contaminated water.

About SSWM

SSWM is a subsidiary of U.S. Microbics, Inc. (OTCBB:BUGS). For more information about SSWM and U.S. Microbics, Inc. contact Bruce Beattie at 760/918-1860, ext. 105 or bbeattie@bugsatwork.com; or learn about the company by visiting its Web site at http://www.bugsatwork.com. A research report on SSWM is available at http://www.stocksontheweb.com/sswm.htm and another at http://wfnn.info.

About C. TradeUsa, Inc.

The President of C.TradeUsa, Nick Kontonicolas, has over 18 years experience in International Corporate Development and Investing. The C.Trade Group of Companies have extensive holdings in the United States as well as in China, Latin America, Greece, and Bangladesh. C. Trade's portfolio of companies specializes in biotechnology, water remediation, and automotive consultation services. For more information about C. TradeUsa, call its President, Nick Kontonicolas at 212/709-8083 or contact him at ctradeusa@juno.com

About WaterChef, Inc.

WaterChef, Inc. (OTCBB:WTER) has been in business since 1993 and designs and markets the PureSafe family of products. The Company is headquartered in Glen Head, New York and manufactures the PureSafe in Bohemia, New York. To learn more about the Company and its products, please visit their website http://www.waterchef.net.

The information contained in this press release includes forward-looking statements. Forward-looking statements usually contain the words "estimate," "anticipate," "believe," "expect" or similar expressions that involve risks and uncertainties. These risks and uncertainties include the company's status as a startup company with uncertain profitability, need for significant capital, uncertainty concerning market acceptance of its products, competition, limited service and manufacturing facilities, dependence on technological developments and protection of its intellectual property. The company's actual results could differ materially from those discussed herein. Factors that could cause or contribute to such difference are discussed more fully in the "Risk Factors," "Management's Discussion and Analysis or Plan of Operation" and other sections of the company's Form 10-KSB and other publicly available information regarding the company on file with the Securities and Exchange Commission. The company will provide you with copies of this information upon request.


            

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